Data Announcements

New Version of Interpolated Sounding VAP Released
May 09, 2016       
A new version of the Interpolated Sounding (INTERPOLATEDSONDE) value-added product (VAP) is released for use with historical data and current production. The INTERPOLATEDSONDE VAP transforms sounding data into continuous daily files on a fixed time-height grid at one-minute time resolution from the surface up to a limit of approximately 40 kilometers. The grid extends to [...]

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MWRRET Version 2 Evaluation Data Available for Southern Great Plains
May 09, 2016       
The optimal estimation retrieval of liquid water path (LWP) and precipitable water vapor (PWV) have now been applied to the new 3-channel microwave radiometer at Southern Great Plains (SGP). Data for 2015 are now available as an evaluation product, called the Microwave Radiometer Retrieval version 2 (MWRRETv2), with plans to be an operational VAP within [...]

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Version 2 of the Continuous Large-Scale Forcing Data Now Available
May 09, 2016       
Version 2 of the continuous large-scale forcing data value-added product known as VARANAL for the Southern Great Plains has been released for the year 2012 and for June through August 2015. This product includes both the large-scale forcing terms and the evaluation fields, which can be used for driving single-column models and cloud resolving models [...]

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2D ARM Best Estimate Data Sets Updated to Include QCECOR
May 09, 2016       
The ARM Best Estimate 2-dimensional Gridded Surface (ARMBE2DGRID) and ARM Best Estimate Station-based Surface (ARMBESTNS) data sets have been updated to include data for year 2011 and extended for year 2012. The ARMBE2DGRID data set merges together key surface measurements at the Southern Great Plains (SGP) site and interpolates—estimates values between two known values—the data to [...]

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New Release of Reprocessed QCECOR Data
May 09, 2016       
Quality Controlled Eddy Correlation Flux Measurement (QCECOR) value-added product data were reprocessed for all the stations at Southern Great Plains (SGP) site from year 2003 to the end of year 2015. The QCECOR data provide surface sensible and latent heat flux to ARM user community. Eddy correlation flux measurement systems (ECOR) are used by the ARM [...]

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New Radiative Flux Analysis VAP Now Operational
May 05, 2016       
The Radiative Flux Analysis VAP is an implementation of a series of algorithms that estimate clear sky broadband surface irradiances, cloud fraction, optical depth, cloud transmissivity, and cloud radiative effects. This VAP is an updated version of the Shortwave Flux Analysis VAP that includes several improvements and will replace the Shortwave Flux Analysis as the [...]

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Py-ART 1.5.0 Now Available
Nov 03, 2015       
The Python ARM Radar Toolkit (Py-ART) development team has released version 1.5.0. as an open source Python module for reading, visualizing, correcting, and analysis of weather radar data. Version 1.5.0 includes several improvements over past releases including: More ingests for ARM and non-ARM formats including Ka-band ARM Zenith Radar files. Installers that work with the Windows operating [...]

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SACRCOR VAP Released to Evaluation
Nov 03, 2015       
The ARM Facility is pleased to announce the release of Scanning ARM Cloud Radar (SACR) Corrected Moments (SACRCOR) to evaluation. SACRCOR, developed by the Clouds Research Group at McGill University and modified and implemented by the ARM Facility, provides best estimate moments from the ARM scanning cloud radars. First order corrections include: Accurate separation of the [...]

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New Ship Navigation Corrections for MAGIC and ACAPEX
Nov 02, 2015       
A new suite of evaluation value-added products (VAPs) is now available for the second ARM Mobile Facility (AMF2) to provide accurate ship location and orientation during ocean deployments and to correct for ship motion. The AMF2 is designed to support ocean-based deployments and to date, two deployments have been completed: Marine ARM GPCI Investigation of Clouds [...]

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New ARM Cloud ARSCL Evaluation VAPs Available
Nov 02, 2015       
New value-added products (VAPs) have been developed to provide best-estimate radar moments and cloud locations for the Ka-band ARM Zenith Radars (KAZRs).  The KAZR Active Remote Sensing of Clouds (KAZRARSCL) VAP and KAZR Correction (KAZRCOR) VAP together are succeeding the retired ARSCL VAP. Evaluation data from the two new VAPs are being provided for review by [...]

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Areal Average Albedo VAP Evaluation Data Now Available
Nov 02, 2015       
A new value-added product (VAP) estimating the surface albedo at Multifilter Rotating Shadowband Radiometer (MFRSR) spectral wavelengths is now available from the Southern Great Plains (SGP). The Areal Average Albedo (AREALAVEALB) VAP data set is unique in that it gives an estimate of the average albedo for the relevant area around a site. Traditionally albedo [...]

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Large-Scale Forcing Data for GoAmazon Now Available for Second IOP
Nov 02, 2015       
Taken during the dry season in September and October in 2014, constrained variational analysis of large-scale forcing data for the second intensive operational period (IOP) of the Green Ocean Amazon (GoAmazon2014/15) field campaign are now available. Combining U.S. and Brazilian agencies and institutions and other international collaborators, this two-year GoAmazon field campaign is yielding data [...]

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Surface Meteorological Data Overhaul Completed
Aug 28, 2015       
In an effort to provide data product consistency, the task of reprocessing historical surface meteorology data was recently completed. As the ARM Climate Research Facility grew both in size and scope, it became important to create homogenous data sets to ease navigation for users, while providing a straightforward approach for ARM infrastructure staff to maintain [...]

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Doppler Lidar Profile VAPs Now Available
Aug 27, 2015       
The ARM Facility currently operates several scanning coherent Doppler lidar systems at various sites around the globe. These instruments operate in the near infrared and provide measurements of radial velocity, attenuated aerosol backscatter, and signal-to-noise ratio. Previously shared with the ARM user community as an evaluation product, these data are now in production and available [...]

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Large-Scale Forcing Data Collected During DYNAMO/AMIE Now Available for Evaluation
Aug 25, 2015       
Constrained variational analysis of forcing data taken from the northern sounding array are now available for the Dynamics of the Madden-Julian Oscillation (DYNAMO) and the ARM Madden-Julian Oscillation [MJO] Investigation Experiment [AMIE] on Gan Island as an ARM evaluation data product as part of the Single Column Model (SCM)-Forcing Data, Cloud Microphysical Properties and Radiative [...]

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UPDATE: ARM Best Estimate Data Sets From MC3E Now in Production
Aug 21, 2015       
EDITOR'S NOTE: The ARM Best Estimate Data Sets have been moved from evaluation to production at the ARM Data Archive. To view the new data, visit the ARMBE2DGRID and ARMBESTNS VAP pages. Data sets for the ARM Best Estimate 2-Dimensional Grid (ARMBE2DGRID) and Station-based Surface (ARMBESTNS) are now available for the Midlatitude Continental Convective Clouds [...]

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